[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.19"]
[Round "7"]
[White "Andersson, Ulf"]
[Black "Donner, Jan Hein"]
[Result "1-0"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 Bg4 4. e3 e6 5. Be2 Nbd7 6. h3 Bxf3 7. Bxf3 Bd6 8. d3 O-O 9. O-O Qe7 10. a4 a5 11. Nd2 c6 12. Qe2 e5 13. e4 d4 14. g3 Bb4 15. Bg2 Ne8 16. h4 Nc7 17. Nf3 b5 18. h5 Ne6 19. Bh3 Rfb8 20. Nh4 Bc3 21. Bxc3 dxc3 22. Bxe6 fxe6 23. Qg4 bxa4 24. Rxa4 Nb6 25. Raa1 a4 26. bxa4 Rxa4 27. Nf3 Rxa1 28. Rxa1 Nd7 29. h6 g6 30. Ra7 Nf6 31. Rxe7 Nxg4 32. Rg7+ Kf8 33. Rxh7 Rb1+ 34. Kg2 Rc1 35. Rh8+ Kf7 36. Ng5+ Ke7 37. h7 Rxc2 38. Rf8 Kxf8 39. h8=Q+ Ke7 40. Qg7+ Kd6 41. Qf8+ 1-0